On This Day · The 145th day of the year

May 25

May 25 carries 10 recorded events spanning between 1738 and 2018. A treaty between Pennsylvania and Maryland ends the Conojocular War with settlement of a boundary dispute and exchange of prisoners.

Compiled & reviewed by · Last reviewed July 13, 2026

What happened on May 25?

May 25 is the 145th day of the year. It marks 10 notable events in history, dated between 1738 and 2018. Famous people born on May 25 include Ezekiel Kemboi, Emperor Shenzong of Song and Uta Frith.

The shape of the day

May 25's record stretches 280 years, from 1738 to 2018. Its center of gravity is the 20th century, and conflict is a recurring thread.

Gemini is the sign for May 25 — read more on the Gemini page, or see May's birthstone & birth flower.

Released on May 25

Movies, games, albums & shows

2026

  • Game Paralives
  • TV Spider-Noir

2023

  • Game Railway Empire 2

Release data from TMDB & IGDB.

Events

10 notable moments
  1. 1738

    Pennsylvania

    A treaty between Pennsylvania and Maryland ends the Conojocular War with settlement of a boundary dispute and exchange of prisoners.

  2. 1787

    Constitutional Convention (United States)

    After a delay of 11 days, the United States Constitutional Convention formally convenes in Philadelphia after a quorum of seven states is secured.

  3. 1878

    Gilbert and Sullivan

    Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.

  4. 1895

    Oscar Wilde

    Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.

  5. 1940

    World War II

    World War II: The German 2nd Panzer Division captures the port of Boulogne-sur-Mer; the surrender of the last French and British troops marks the end of the Battle of Boulogne.

  6. 1971

    Killing of Joetha Collier

    Joetha Collier, a recent high school graduate, is killed in a shooting in Drew, Mississippi, attracting extensive attention from the media and civil rights activists.

  7. 1977

    William Shakespeare

    The Chinese government removes a decade-old ban on William Shakespeare's work, effectively ending the Cultural Revolution started in 1966.

  8. 1985

    Bangladesh

    Bangladesh is hit by a tropical cyclone and storm surge, which kills approximately 10,000 people.

  9. 2009

    North Korea

    North Korea allegedly tests its second nuclear device, after which Pyongyang also conducts several missile tests, building tensions in the international community.

  10. 2018

    Republic of Ireland

    Ireland votes to repeal the Eighth Amendment of their constitution that prohibits abortion in all but a few cases, choosing to replace it with the Thirty-sixth Amendment of the Constitution of Ireland.

Famous birthday twins

Born on May 25

Ezekiel Kemboi

b. 1982

Kenyan runner

Emperor Shenzong of Song

b. 1048

Emperor of China from 1067 to 1085

Uta Frith

b. 1941

German developmental psychologist

Toghon Temür

b. 1320

Mongolian emperor

Daniel Passarella

b. 1953

Argentinian footballer, coach, and manager

Amy Klobuchar

b. 1960

American lawyer and politician

Yoan Gouffran

b. 1986

French footballer

Claude Pinoteau

b. 1925

French film director and screenwriter

Deaths

  • 2020George Floyd
  • 2014Wojciech Jaruzelski
  • 1968Georg von Küchler
  • 1595Valens Acidalius
  • 992Mieszko I
  • 986Abd al-Rahman al-Sufi

Holidays & observances

  • Africa Day (African Union)
  • African Liberation Day (African Union, Rastafari)
  • Christian feast day: Aldhelm
  • Christian feast day: Bede
  • Christian feast day: Canius
  • Christian feast day: Cristóbal Magallanes
  • Christian feast day: Denis Ssebuggwawo Wasswa
  • Christian feast day: Dionysius of Milan

Historical facts, event summaries, and biographical lines above are adapted from Wikipedia under the Creative Commons Attribution-ShareAlike (CC BY-SA) license. DateLore adds curation, structure, and original editorial commentary. DateLore is not affiliated with the Wikimedia Foundation.

About the author

Roman Tailor compiles and reviews every date on DateLore. He's the writer and editor behind the site's editorial essays and the day-by-day almanac. Corrections and questions are welcome — read more about DateLore or get in touch.

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